Repair Tips
Search:
Results: 88176
Results: 88176
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SAMSUNG |
LM32C530F1M
|
Duplicate image | Samsung lm32c530f1m. cable on the left, the pin to be eliminated is at 20 and 23, counting the opposite of the pin1 marking of the flet. | HP ELETRONICA | |
| LG |
CP29K35A
MC-049A |
Does not memorize channels (giving the impression that it is out of frequency) the av works normally!!! | Case: z101 (x6966d) | Replace it - good luck to my forum friends - god bless you all! | |
| TOSHIBA |
TV2999
LEM7 |
Weak fi signal slipping out of tune | Z130 filter close to ci 501 | Bruno Niacio | |
| SEMP TOSHIBA |
TV2134
|
Nothing works, stationary power supply does not oscillate. | Changing the ceramic capacitor (c609 10nf) with a slight leak (2 mega) killing the voltage 18 vdc pin 4 of (ic601 strw6554a)1 | ||
| PHILCO |
PC1446
CPH-05 |
High voltage spark between the cold part and the power supply by the foot of the capacitor c924. | Replace do flyback b32 3454 | Eletrônica R-TEC | |
| TOSHIBA |
TV2959JFS
FS-8 |
LED goes out slowly and voltages drop. | Power supply capacitor c819 (10x50v) with low capacitance 8.6. | Eletrônica R-TEC | |
| TOSHIBA |
TV2959JFS
FS-8 |
LED goes out slowly and voltages drop. | Power supply capacitor c819 (10x50v) with low capacitance 8.6. | Eletrônica R-TEC | |
| NCA |
PWM300
|
A reé does not arm and the LED over stays on. | Electrolytic capacitor c9 100/25 shorted. | @gepe | |
| PHILCO |
TP-2920
|
Turns on and then turns off, arming protection, | Cause of the d701 defect, which was shorted, and that was why it was activating protection | Swapping the d701 and c715 q and 2n2 for a 7n5 near the horizontal exit. | ELETRONICA DIGI SOUND NOVA TIMBOTEUA PA |
| MITSUBISHI |
KV2160B
|
Tv turns on normal sound without video power supply 9v from ic 682 ok check resistor r701 on kinescope board | Altered 470k r701 | eletronica muller | |
| CCE |
HPS2991
|
LED on and doesn't turn on, then image shifted to/right | Q401(mpsa42) and then r401 18k | Ádrian Chapadão do Céu-Go | |
| CCE |
HPS2185
|
Triggering the relay when pressing the power key | Broken flayback ferrite | Bruno Niaci | |
| CCE |
HPS2991
|
Dark screen | C421 | So replace | eletronica vieceli |
| PHILCO |
PCM2046
|
Weak, blurred image and bluish screen. | R808 [12k/ 3w] aberto. | Altevir lima [Valpaaríso Eletrônica- Ananindeua/ PA] | |
| TOSHIBA |
TV2988LMS
LEM8 |
Arrived with vertical closed | Replaces q301 tda9302h and its voltages do not match the pin 1 and 7 scheme, it has to give 3volts and pin 2 26.8volts and 6 27.3volts... this last one only gave 8.9volts | Check r320, c308, (d301(replace without measuring)) resolved normal vertical deflection. If it doesn't work, check q830 5v regulator that powers pin 7 of q301, see r311 and r310. If that doesn't work, see c301 may be open near the computer. | WagnerAlves |
| LG |
21FU4RLG
|
When it turns on it comes with AFC off, after a while the image returns to normal | Replace electrolytic capacitor c517 0.1/50v | Replace the same | Dangra Eletrônica |
| SONY |
KDL-32U2530
SE1 |
TV lights up cold but if you turn it off with the keyboard it no longer works | Replacement of a 24c32 memory whose location I could not identify - it is on the back of the main board - | jose almeida tavares | |
| GRADIENTE |
GT 2022
|
Inoperante; sem std by. | Change all capacitors on the +b 130 volt line (160v insulation); change capacitors on the 9 volt line. check regulator 7805; If the board shows signs of component heating (surrounding surface darkened), replace it even if it is still working. never come back. | Waldir Salum Junior | |
| LG |
14CB25A
|
It gives a signal that it turns on but does not oscillate horizontally. | Burnt horizontal output transistor; when exchanging it for another it burned instantly; wide capacitor exhausted. | Changing the wide capacitor (6n2/2kv); horizontal output transistor replaced 2sc6093. returned to normal operating condition. | Waldir Salum Junior |
| LG |
CP20K40
|
Doesn't start | C815 | Replace | saffier |